Elevator hoisting engine



FIG. 1 is a front elevational view of an elevator hoisting engine, showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof; and

FIG. 7 is a perspective view thereof;

FIG. 8 is a front elevational view of a second embodiment of an elevator hoisting engine showing our new design;

FIG. 9 is a rear elevational view thereof;

FIG. 10 is a top plan view thereof;

FIG. 11 is a bottom plan view thereof;

FIG. 12 is a left side elevational view thereof; and

FIG. 13 is a right side elevational view thereof. 

The ornamental design for an elevator hoisting engine, substantially as shown. 